Women help Central American immigrants to the US on their journey
24 August 2012 Last updated at 17:31 BST
A group of 14 women - known as 'The Patronas' - in the Veracruz village of La Patrona in Mexico have taken it upon themselves to hand out food and water to weary immigrants as they speed past their village on cargo trains.
The illegal immigrants, many of them from other Central American countries, often cling precariously to the sides of the train carriages as they travel across Mexico towards the United States.
Maria Dupin reports.
Video produced by BBC Mundo's Alberto Najar